A lens, a camera module, and an electronic device

Abstract

Embodiments of the present application provide a lens, a camera module, and an electronic device. The electronic device may include a mobile or fixed terminal for shooting such as a mobile phone, a tablet computer, a notebook computer, an ultra-mobile personal computer (UMPC), a handheld computer, a walkie-talkie, a netbook, a POS machine, a personal digital assistant (PDA), a wearable device, a virtual reality device, a wireless USB flash drive, a Bluetooth speaker / headphone, or an in-vehicle pre-installed device. By trimming the lens barrel and the lens, the volume and the bottom width of the lens are reduced, the space occupied by the lens in the electronic device is decreased, the area of the opening on the display screen is reduced, and the screen-to-body ratio of the display screen is increased.

Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of terminals, and particularly to a lens, a camera module and an electronic device. Background Art

[0002] The shooting function has become an indispensable function for electronic devices (such as mobile phones, tablets, etc.). In order to obtain good image quality and shooting effects, electronic devices are equipped with multiple cameras to provide a wide range of photographic functions.

[0003] Currently, the imaging device mainly includes a front camera and a rear camera. The front camera is disposed on the side facing the display screen of the electronic device, and the rear camera is disposed on the side facing the back cover of the electronic device. Among them, the front camera mainly includes: a lens, a support base, a filter, a photosensitive element and a flexible printed circuit board (FPC). The structure of the lens is as Figure 1 and Figure 2 shown. The lens includes a lens barrel 1 and the following components arranged in sequence within the lens barrel 1: a first lens G1, a first light-shielding sheet M1, a second lens G2, a second light-shielding sheet M2, a third lens G3, a third light-shielding sheet M3, a first spacer S11, a fourth light-shielding sheet M4, a fourth lens G4, a fifth light-shielding sheet M5, a second spacer S12, a sixth light-shielding sheet M6, a fifth lens G5 and a retaining ring 2.

[0004] Then, in the above lens, the effective diameters of the fourth lens and the fifth lens are increased, resulting in a larger outer diameter and volume of the lens barrel. In this way, the space occupied by the lens in the mobile phone is larger, and the area on the display screen opposite to the lens (such as the Notch area) is larger, reducing the screen-to-body ratio of the display screen. Summary of the Invention

[0005] The embodiments of the present application provide a lens, a camera module and an electronic device, which reduce the volume and bottom width of the lens, reduce the space occupied by the lens in the electronic device, reduce the area of the opening on the display screen, and improve the screen-to-body ratio of the display screen.

[0006] In a first aspect of the embodiments of the present application, a lens is provided, which is applied to a camera module having a photosensitive element and includes: a lens barrel and a front lens group and a rear lens group disposed within the lens barrel. The front lens group is close to the object side, and the rear lens group is close to the image side.

[0007] The lens in the rear lens group close to the image side includes: an optically effective portion and a non-optically effective portion surrounding the outer edge of the optically effective portion.

[0008] The optically effective part includes: an effective diameter area and at least one first cut edge, and the non-optically effective part includes: a first ineffective area and a second ineffective area, the first ineffective area is arranged along the outer edge of the effective diameter area, the second ineffective area is arranged along the first cut edge, and the outer edge of the second ineffective area has a second cut edge; the outer side wall of the lens barrel close to the rear lens group has at least one cut surface, and the second cut edge faces the cut surface inside the lens barrel.

[0009] By having at least one cut surface on the outer wall of the lens barrel near the rear lens group, the optically effective part of the lens near the image side of the lens group has at least one first cut edge and the second ineffective area of the non-optically effective part has a second cut edge. This reduces the width of the bottom of the lens, reduces the volume of the lens, and reduces the space occupied by the lens in the mobile phone, so that more components can be set in the mobile phone. On the other hand, the width of the end of the lens near the lens mount (i.e., the bottom width of the lens) is reduced. For the bangs screen, water drop screen or hole screen, the width of the opening on the display screen is reduced, the special-shaped area on the display screen (such as the Notch area) is reduced, and the screen-to-body ratio of the mobile phone display screen is increased.

[0010] By setting the second ineffective area along the first cutting edge, the outer edge of the second ineffective area has a second cutting edge, which ensures that the first cutting edge of the optically effective part of the lens close to the image side in the lens group has a non-effective diameter area (for example, the second ineffective area). In this way, when the lens is assembled in the lens barrel, the first ineffective area of the lens bears against the arc-shaped supporting section in the lens barrel, and the second ineffective area bears against the straight supporting section in the lens barrel. After the second spacer and the pressure ring located on both sides of the lens are assembled, part of the second spacer and the pressure ring can bear against the supporting part in the lens barrel, and the remaining part of the second spacer and the pressure ring can overlap and bear with the second ineffective area and the first ineffective area of the lens, thus realizing the bearing effect of the pressure ring and the second spacer on the lens at the first cutting edge, so that the entire outer edge of the lens is supported by the pressure ring and the second spacer, ensuring that the lens is more stably supported when assembled in the lens barrel. In addition, the pressure ring and the second spacer are prevented from blocking the effective diameter area of the lens.

[0011] In a possible implementation manner, the number of the first cutting edges is two, and the two first cutting edges are symmetrically arranged relative to the center of the optically effective portion.

[0012] This not only facilitates the assembly of the lens in the lens barrel, but also ensures that the optically effective diameter area between the two first cut edges of the lens will not affect the imaging, thereby achieving a normal imaging effect after the lens is cut.

[0013] In a possible implementation, the distance between the two first cutting edges is greater than or equal to the short side width of the photosensitive element.

[0014] This can ensure that the imaging of the photosensitive element by the lens after cutting the edges is not affected, ensuring that each photosensitive area on the photosensitive element can sense light, thereby generating complete image information.

[0015] In a possible implementation, the width of the second non-effective area is 0.1 - 0.65 mm. This can achieve the bearing of the second non-effective area near the first cutting edge on the lens in the lens barrel, and the bearing of the lens optical effective part after cutting the edges with the spacers and retaining rings on both sides, avoiding the bearing of the retaining rings and spacers on both sides of the lens with some non-optical effective parts of the lens.

[0016] In a possible implementation, the lens barrel includes a front lens barrel, a middle lens barrel, and a rear lens barrel. The outer side wall of the rear lens barrel includes the cut surface and an arc-shaped side surface connected to the cut surface. The front lens barrel is close to the object side, and the rear lens barrel is close to the image side. In this way, the width of one end part of the lens barrel close to the image side is reduced, and the volume of the bottom of the lens barrel is reduced, so that the space occupied in the electronic device is reduced.

[0017] In a possible implementation, there are a plurality of straight bearing sections on the inner wall of the rear lens barrel close to the cut surface, and a plurality of arc-shaped bearing sections on the inner wall of the rear lens barrel close to the arc-shaped side surface. This can ensure that the non-optical effective part after cutting the edges on the lens can be borne on the straight bearing sections, and the non-optical effective part on the lens without cutting the edges can be borne on the arc-shaped bearing sections.

[0018] In a possible implementation, there are two cut surfaces and two arc-shaped side surfaces on the outer side wall of the rear lens barrel, and the two cut surfaces are symmetrically arranged with respect to the center line of the lens barrel.

[0019] In a possible implementation, the distance between the two cut surfaces is h1, 0.8h2 ≤ h1 < h2, where h2 is the maximum distance between the two arc-shaped surfaces. This can ensure that the lens barrel after cutting the edges can meet the imaging requirements.

[0020] In a possible implementation, the rear lens group includes at least two lenses.

[0021] Among the at least two lenses, the lens close to the front lens group includes: an optical effective part and a non-optical effective part, and the outer edge of the non-optical effective part of the lens close to the front lens group has a third cutting edge, and the third cutting edge faces the cut surface.

[0022] In a possible implementation, the rear lens group includes three lenses. The middle lens located between two of the three lenses and the lens near the image side include the effective diameter region, at least one of the first cut edges, the first non-effective region, the second non-effective region, and the second cut edge. In this way, the optical effective parts of the lens near the image side in the rear lens group and the lens in the middle of the rear lens group are trimmed, reducing the widths of the two lenses in the rear lens group.

[0023] In a possible implementation, it further includes: at least two spacers located in the lens barrel. One of the at least two spacers is located between the front lens group and the rear lens group, and the remaining spacers of the at least two spacers are located between the non-optical effective parts of two adjacent lenses in the rear lens group. The spacers can be used to separate adjacent lenses by a preset interval, thus meeting the requirements of the optical path inside the lens.

[0024] In a possible implementation, the spacer located between two adjacent lenses in the rear lens group includes: an arc segment and a straight segment. The arc segment and the straight segment enclose an annular structure, and the straight segment faces the cutting plane. In this way, the arc segment and the straight segment can respectively abut against the first non-effective region and the second non-effective region on the lens after trimming.

[0025] In a possible implementation, it further includes: a retaining ring, which is connected to the inner wall of the end of the lens barrel facing the image side. The rear lens group is located between the front lens group and the retaining ring;

[0026] The retaining ring includes an arc region and a straight region, and the straight region faces the cutting plane.

[0027] By providing the retaining ring, on the one hand, the retaining ring can fix the lens group in the lens barrel, and on the other hand, the arc region and the straight region of the retaining ring can respectively abut against the first non-effective region and the second non-effective region of the trimmed lens, so that the retaining ring presses the non-optical effective part of the outer edge of the lens near the image side, ensuring the reliable assembly of the lens group in the lens barrel.

[0028] In a possible implementation, the front lens group includes at least three lenses, and a light shield is provided between the non-optical effective parts of two adjacent lenses among the three lenses.

[0029] The second aspect of the embodiments of the present application provides a camera module, which at least includes:

[0030] A flexible board, a photosensitive element, a bracket, a filter and any of the above lenses, wherein the bracket is located between the lens and one end of the flexible board, the photosensitive element is located at the end of the flexible board opposite to the lens, and the filter is located between the photosensitive element and the lens.

[0031] By including the above-mentioned lens, the volume of the lens in the camera module is reduced, and the width of the bottom part of the lens is reduced. The volume occupied by the camera module in the electronic device is reduced, other devices can be arranged in the electronic device, and the opening area on the display screen for placing the lens is reduced, thereby increasing the screen ratio of the display screen.

[0032] A third aspect of the present application provides an electronic device, including at least:

[0033] A display screen, a back cover, a middle frame and at least one of the camera modules described above, wherein the display screen and the back cover are respectively located on both sides of the middle frame, the camera module is arranged on the middle frame, and the lens of the camera module faces the display screen or the back cover.

[0034] By including the above-mentioned camera module, the opening on the display screen of the electronic device for placing the camera is reduced, the area of the special-shaped area (such as the Notch area) on the display screen is reduced, and the screen-to-body ratio of the electronic device is larger. In addition, the space occupied by the camera module in the electronic device is reduced. The space saved in this way makes it more convenient to arrange the devices in the electronic device on the one hand, and more devices can be arranged in the electronic device on the other hand.

[0035] In a possible implementation, the camera module is a front camera module, or the camera module is a rear camera module. In this way, when the camera module is a front camera module, the size of the opening on the display screen can be reduced, the screen ratio is increased, and the front camera module is reduced. When the camera module is a rear camera module, the size of the opening on the back cover for placing the rear camera module is reduced, thereby reducing the space occupied by the rear camera in the electronic device.

[0036] In a possible implementation, there are two camera modules, one of which is a rear camera module and the other is a front camera module. This not only reduces the size of the opening on the display screen, but also reduces the size of the opening on the back cover for placing the rear camera module, and also saves the space occupied by the front camera module and the rear camera module in the electronic device. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 is a schematic diagram of the cross-sectional structure of an existing lens;

[0038] Figure 2 It is a schematic structural diagram of a lens barrel in an existing lens;

[0039] Figure 3 It is a schematic structural diagram of an electronic device provided by an embodiment of the present application;

[0040] Figure 4 It is an exploded structural diagram of an electronic device provided by an embodiment of the present application;

[0041] Figure 5 It is a split structural diagram of a display screen in an electronic device provided by an embodiment of the present application;

[0042] Figure 6 It is a schematic structural diagram of a display screen and a front camera in an electronic device provided by an embodiment of the present application;

[0043] Figure 7A It is a schematic structural diagram of a front camera in an electronic device provided by an embodiment of the present application;

[0044] Figure 7B It is an exploded structural diagram of a front camera in an electronic device provided by an embodiment of the present application;

[0045] Figure 8 It is a partial sectional structural diagram of a front camera, a display screen, a frame and a rear cover in an electronic device provided by an embodiment of the present application;

[0046] Figure 9 It is an exploded structural diagram of a lens in a front camera of an electronic device provided by an embodiment of the present application;

[0047] Figure 10 It is a sectional structural diagram of a lens in a front camera of an electronic device provided by an embodiment of the present application;

[0048] Figure 11 It is a schematic structural diagram of a lens barrel in a front camera of an electronic device provided by an embodiment of the present application;

[0049] Figure 12 It is a schematic structural diagram of the bottom end face of a lens in a front camera of an electronic device provided by an embodiment of the present application;

[0050] Figure 13 It is a sectional structural diagram of a lens barrel in a front camera of an electronic device provided by an embodiment of the present application;

[0051] Figure 14 It is a three-dimensional structural diagram of a lens barrel in a front camera of an electronic device provided by an embodiment of the present application;

[0052] Figure 15Schematic diagram of the structure of the fifth lens in the front camera of the electronic device provided by an embodiment of the present application;

[0053] Figure 16 Schematic diagram of the structure of the fifth lens and the photosensitive element in the front camera of the electronic device provided by an embodiment of the present application;

[0054] Figure 17 Schematic diagram of the structure of the fourth lens in the front camera of the electronic device provided by an embodiment of the present application;

[0055] Figure 18 Schematic cross-sectional structure diagram of the second spacer in the front camera of the electronic device provided by an embodiment of the present application;

[0056] Figure 19 Another exploded structure diagram of the lens in the front camera of the electronic device provided by an embodiment of the present application.

[0057] Description of reference numerals:

[0058] 100 - mobile phone; 10 - display screen; 11 - opening; 12 - transparent protection cover plate; 13 - display module; 131 - backlight element;

[0059] 132 - liquid crystal panel; 21 - lens; 211 - first lens; 212 - second lens; 213 - third lens; 214 - fourth lens;

[0060] 2141 - optically effective area; 2142 - third non-effective area; 2143 - third trimming edge; 20 - front camera module;

[0061] 2144 - fourth non-effective area; 215 - fifth lens; 2151 - effective diameter area; 2152 - first non-effective area;

[0062] 2153 - second non-effective area; 2154 - first trimming edge; 2155 - second trimming edge; 216 - sixth lens; 216a - retaining ring;

[0063] 217a - second spacer; 2171 - arc segment; a1 - inner arc area; a2 - outer arc area; 2172 - straight segment; b1 - inner straight area;

[0064] b2 - outer straight area; 217b - first spacer; 217c - third spacer; 218a - second light-shielding sheet; 218b - first light-shielding sheet;

[0065] 219 - lens barrel; 2190 - bearing part; 2191 - front lens barrel; 2192 - middle lens barrel; 2193 - first arc side;

[0066] 2194 - Second arc side; 2195 - Cut surface; 2196 - Arc side; 2197 - Rear lens barrel; c1 - Straight bearing section;

[0067] c2 - Circular bearing section; c3 - Arc bearing section; d1 - Optically effective part; d2 - Non - optically effective part; 22 - Lens holder;

[0068] 23 - Filter; 24 - Bracket; 25 - Photosensitive element; 26 - Flexible board; 27 - Connector; 30 - Middle frame; 31 - Frame;

[0069] 32 - Metal middle plate; 40 - Circuit board; 50 - Battery; 60 - Rear cover. Detailed implementation manners

[0070] The terms used in the implementation manners part of this application are only used to explain the specific embodiments of this application, rather than aiming to limit this application. The implementation manners of the embodiments of this application will be described in detail below with reference to the drawings.

[0071] An electronic device provided by an embodiment of this application includes, but is not limited to, mobile or fixed terminals with cameras such as mobile phones, tablet computers, laptop computers, ultra - mobile personal computers (UMPCs), handheld computers, walkie - talkies, netbooks, POS machines, personal digital assistants (PDAs), dash cams, and security devices.

[0072] Among them, in the embodiments of this application, taking the mobile phone 100 as an example of the above - mentioned electronic device for illustration, the display screen of the mobile phone 100 provided by the embodiments of this application can be a water - drop screen or a notch screen. The following description takes the water - drop screen as an example for illustration. Refer to Figure 3 and Figure 4 As shown, the mobile phone 100 may include: a display screen 10 and a rear cover 60. A middle frame 30, a circuit board 40, and a battery 50 may be arranged between the display screen 10 and the rear cover 60. Among them, the circuit board 40 and the battery 50 may be arranged on the middle frame 30. For example, the circuit board 40 and the battery 50 are arranged on the side of the middle frame 30 facing the rear cover 60, or the circuit board 40 and the battery 50 may be arranged on the side of the middle frame 30 facing the display screen 10. When the circuit board 40 is arranged on the middle frame 30, an opening may be provided on the middle frame 30 to place the components on the circuit board 40 at the opening of the middle frame 30.

[0073] Among them, the battery 50 can be connected to the charging management module and the circuit board 40 through a power management module. The power management module receives the inputs of the battery 50 and / or the charging management module and supplies power to the processor, internal memory, external memory, display screen 10, camera, communication module, etc. The power management module can also be used to monitor parameters such as the capacity of the battery 50, the number of battery 50 charge cycles, and the health status (leakage, impedance) of the battery 50. In some other embodiments, the power management module can also be disposed in the processor of the circuit board 40. In some other embodiments, the power management module and the charging management module can also be disposed in the same device.

[0074] Among them, the display screen 10 can be an Organic Light-Emitting Diode (OLED) display screen or a Liquid Crystal Display (LCD).

[0075] Among them, the rear cover 60 can be a metal rear cover, a glass rear cover, a plastic rear cover, or a ceramic rear cover. In the embodiments of the present application, the material of the rear cover 60 is not limited.

[0076] Among them, the middle frame 30 can include a metal middle plate 32 and a frame 31. The frame 31 is arranged in a circle around the outer periphery of the metal middle plate 32. Generally speaking, the frame 31 can include a top frame, a bottom frame, a left frame, and a right frame, and the top frame, bottom frame, left frame, and right frame enclose the circular frame 31. Among them, the metal middle plate 32 can be an aluminum plate, an aluminum alloy, or a magnesium alloy. The frame 31 can be a metal frame or a ceramic frame. Among them, the metal middle frame 30 and the frame 31 can be snap-connected, welded, glued, or integrally formed, or the metal middle frame 30 and the frame 31 are fixedly connected by injection molding.

[0077] It should be noted that in some other examples, the mobile phone 100 can include, but is not limited to, Figure 4 the structure shown. The rear cover 60 of the mobile phone 100 can be connected to the frame 31 to form an integrally formed (Unibody) rear cover. For example, the mobile phone 100 can include: a display screen 10, a metal middle plate 32, and a battery cover. The battery cover can be a rear cover formed by integrally forming (Unibody) the frame 31 and the rear cover 60. In this way, the circuit board 40 and the battery 50 are located in the space surrounded by the metal middle plate 32 and the battery cover.

[0078] Among them, in order to implement the shooting function, the mobile phone 100 may further include: a camera module and a flash (not shown). The camera module may include a front camera module 20 and a rear camera (not shown). Among them, the rear camera and the flash may be disposed on one side of the metal middle plate 32 facing the rear cover 60, and mounting holes for installing a partial area of the flash and the rear camera are formed on the rear cover 60. The front camera module 20 may be disposed on one side of the metal middle plate 32 facing the display screen 10. In the embodiments of the present application, the installation positions of the front camera module 20 and the rear camera include but are not limited to the above description. Among them, in some embodiments, the number of the front camera module 20 and the rear camera disposed in the mobile phone 100 may be 1 or N, where N is a positive integer greater than 1.

[0079] It can be understood that the structure illustrated in the embodiments of the present application does not constitute a specific limitation on the mobile phone 100. In other embodiments of the present application, the mobile phone 100 may include more or fewer components than those illustrated, or combine certain components, or split certain components, or have different component arrangements. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.

[0080] Based on the above description, in the embodiments of the present application, a scenario where the front camera module 20 is disposed in the mobile phone 100 is taken as an example for description.

[0081] Scenario 1

[0082] In the embodiments of the present application, referring to Figure 4 as shown, in order to implement shooting by the front camera module, an opening 11 matching the lens of the front camera module 20 is formed on the display screen 10, so that external light can enter the front camera module 20 to implement shooting. It should be understood that, as Figure 5 shown, the display screen 10 may include a transparent protection cover plate 12 and a display module 13. The transparent protection cover plate 12 may be, for example, a glass cover plate or a sapphire cover plate. When forming the opening 11 on the display screen 10, specifically, the opening 11 is formed on the display module 13 of the display screen 10.

[0083] Among them, the display module 13 may be an OLED display module, or the display module 13 may be a liquid crystal display module. When the display module 13 is a liquid crystal display module, as Figure 6 shown, the liquid crystal display module may include a liquid crystal panel 132 and a backlight element 131. The backlight element 131 is disposed below the liquid crystal panel 132 and is used to provide a backlight source for the liquid crystal panel 132. Among them, when forming the opening 11 on the liquid crystal display module 13, the opening 11 may be a through hole or a blind hole. For example, the opening 11 may be formed on the backlight element 131, so that the opening 11 formed on the liquid crystal display module 13 is a blind hole, or as Figure 6As shown, the opening 11 formed by the liquid crystal panel 132 and the backlight element 131 is a through hole.

[0084] Generally speaking, the display screen 10 further includes a touch panel (Touch Panel, TP). The touch panel can be disposed between the display module 13 and the transparent protection cover plate 12 (i.e., TP on cell), or the touch panel can be disposed in the film layer of the display module 13 (i.e., TP in cell). The display module 13 is used to output display content to the user, and the touch panel is used to receive touch events input by the user on the display screen 10.

[0085] In the embodiment of the present application, referring to Figure 7A As shown, the front camera module 20 may include: a lens 21, a lens holder 22, a bracket 24 (Holder), a flexible board 26 (Flexible Printed Circuit, FPC), and a connector 27. The lens 21 is connected to the lens holder 22, the lens holder 22 is connected to the bracket 24, the lens 21 is fixed on the bracket 24 through the lens holder 22, the bracket 24 is fixed at one end of the flexible board 26, and the connector 27 is fixed at the other end of the flexible board 26. The lens holder 22 and the bottom end of the lens 21 can be connected by welding, clamping, or bonding. The lens holder 22, the bracket 24, and the flexible circuit board 40 are fixedly connected by bonding. The material of the bracket 24 can be plastic or metal material. It should be noted that Figure 7B The front camera module 20 shown is a camera with a fixed focal length. When the front camera module 20 is a camera with a variable focal length, the front camera module 20 may further include a focusing module (not shown), such as a focusing motor, and the focusing motor can be disposed on the bracket 24.

[0086] Among them, as Figure 7B As shown, the front camera module 20 further includes: a filter 23 (Filter) and a photosensitive element 25. The filter 23 can be located between the lens holder 22 and the bracket 24. For example, the filter 23 can cover the hollowed-out area of the bracket 24. The photosensitive element 25 is disposed at one end of the flexible board 26, and the bracket 24 surrounds the outer edge of the photosensitive element 25.

[0087] Among them, in the embodiment of the present application, the filter 23 can be an infrared filter, and the filter 23 can filter out infrared light to prevent infrared light from entering the lens 21 and affecting imaging.

[0088] Among them, the photosensitive element 25 can be a charge coupled device (CCD) or a complementary metal-oxide-semiconductor (CMOS) phototransistor. The connector 27 is used to electrically connect the flexible board 26 to the image signal processing (ISP) unit on the circuit board 40, and the image signal processing (ISP) unit is electrically connected to the digital signal processing (DSP) unit. Among them, the image signal processing (ISP) unit and the digital signal processing (DSP) unit can be separately arranged on the circuit board 40, or the image signal processing (ISP) unit and the digital signal processing (DSP) unit can be integrated and arranged on the circuit board 40. For example, when taking a photo, the shutter is opened, and light passes through the lens 21 and the filter 23 and is transmitted to the photosensitive element 25. The optical signal is converted into an electrical signal, and the photosensitive element 25 transmits the electrical signal to the ISP for processing through the flexible board 26 and the connector 27. The ISP converts the electrical signal into a digital image signal, and the ISP outputs the digital image signal to the DSP for processing. The DSP converts the digital image signal into an image signal in standard formats such as RGB and YUV.

[0089] In the embodiment of the present application, as Figure 8 shown, when the front camera module 20 is arranged in the mobile phone 10, one end of the front camera module 20 can be fixed to the metal middle plate 32, and the head of the lens 21 of the front camera module 20 can be located in the opening 11 of the display screen 10. Among them, the width L of the opening 11 = L1 + L2 + L3, where L1 is 1 / 2 of the head width of the lens 21, L2 is 1 / 2 of the bottom width of the lens 21 (i.e., L2 = 1 / 2h1), and L3 is the reserved assembly gap width. Therefore, in order to reduce the width L of the opening 11, in the embodiment of the present application, the bottom of the lens 21 is trimmed so that the bottom width of the lens 21 is reduced, and thus the width L of the opening 11 is reduced. The specific implementation method is as described below.

[0090] In the embodiment of the present application, refer to Figure 9As shown, the lens 21 may include a lens barrel 219, a lens group located within the lens barrel 219, at least one light shield (such as a first light shield 218b and a second light shield 218a), at least one spacer (such as a first spacer 217b and a second spacer 217a), and a retaining ring 216a. Among them, the inner wall of the lens barrel 219 has a bearing portion 2190 for the lens group, the light shield, and the retaining ring 216a to rest on. In this way, when the lens group, the light shield, the spacer, and the retaining ring 216a are assembled within the lens barrel 219, they can be mutually lapped and supported. The retaining ring 216a is used for pressing after the final lens assembly to ensure the stability of each lens assembly. The spacer can separate adjacent lenses by a preset distance, and the light shield is used to block stray light at the outer edge of the lens. In the embodiments of the present application, the lens group may include a front lens group and a rear lens group. The front lens group is closer to the object side, and the rear lens group is closer to the image side. Among them, in the embodiments of the present application, for example, the front lens group includes 3 lenses and the rear lens group includes 2 lenses as an example for illustration.

[0091] Among them, each lens can be a plastic lens or a glass lens, or some lenses in the lens group are plastic lenses and some lenses can be glass lenses.

[0092] Exemplarily, Figure 9 As shown, the lens group may include, from the object side to the image side: a first lens 211, a second lens 212, a third lens 213, a fourth lens 214, and a fifth lens 215. Among them, the front lens group may include the first lens 211, the second lens 212, and the third lens 213, and the first lens 211 is closer to the object side. The rear lens group may include: the fourth lens 214 and the fifth lens 215, and the fifth lens 215 in the rear lens group is closer to the image side. Among them, the image side is the side where imaging occurs, and the object side is the side of the object to be photographed. Refer to Figure 9 As shown, each lens includes an optically effective portion d1 and a non-optically effective portion d2. For example, the fourth lens 214 may include an optically effective portion d1 and a non-optically effective portion d2, and the fifth lens 215 may also include an optically effective portion d1 and a non-optically effective portion d2. The non-optically effective portion d2 surrounds the outer edge of the optically effective portion d1. When each lens is assembled and installed in the lens barrel 219, the non-optically effective portion d2 of the lens rests on the bearing portion 2190 of the lens barrel 219, and the light shield, the retaining ring 216a, or the spacer is assembled and supported with the non-optically effective portion d2 of the lens within the lens barrel 219. In the embodiments of the present application, the optically effective portion d1 of each lens may be the area through which the light rays required for imaging pass through the lens, and the non-optically effective portion d2 is the area through which the light rays required for imaging do not pass through the lens.

[0093] In the embodiments of the present application, the first lens 211, the second lens 212, the third lens 213, the fourth lens 214, and the fifth lens 215 may be plastic lenses. The first lens 211, the second lens 212, the third lens 213, the fourth lens 214, and the fifth lens 215 may be aspherical lenses.

[0094] As Figure 9 shown, a first light-shielding sheet 218b is disposed between the non-optical effective portions d2 of the first lens 211 and the second lens 212, a second light-shielding sheet 218a is disposed between the non-optical effective portions d2 of the second lens 212 and the third lens 213, a first spacer 217b is disposed between the non-optical effective portions d2 of the third lens 213 and the fourth lens 214, a second spacer 217a is disposed between the non-optical effective portions d2 of the fourth lens 214 and the fifth lens 215, and the retaining ring 216a is located on the image side of the fifth lens 215. The retaining ring 216a can press on the non-optical effective portion d2 of the fifth lens 215 and the bearing portion 2190 in the lens barrel 219. Therefore, in the embodiments of the present application, the light-shielding sheets may include the first light-shielding sheet 218b and the second light-shielding sheet 218a, and the spacers may include the first spacer 217b and the second spacer 217a. The first spacer 217b and the second spacer 217a respectively separate a certain interval between the third lens 213 and the fourth lens 214 and between the fourth lens 214 and the fifth lens 215. The first spacer 217b and the second spacer 217a respectively overlap and bear against the non-optical effective portions d2 of the third lens 213, the fourth lens 214, and the fifth lens 215 during assembly (see Figure 10 ).

[0095] Among them, the first spacer 217b and the second spacer 217a may be made of non-light-transmitting materials. For example, the first spacer 217b and the second spacer 217a may be black plastic spacers. In this way, light-shielding sheets may not be disposed between the non-optical effective portion d2 of the third lens 213 and the non-optical effective portion d2 of the fourth lens 214 and between the non-optical effective portion d2 of the fourth lens 214 and the non-optical effective portion d2 of the fifth lens 215. Of course, a third light-shielding sheet, a fourth light-shielding sheet, a fifth light-shielding sheet, and a sixth light-shielding sheet may also be respectively disposed between the non-optical effective portion d2 of the third lens 213 and the first spacer 217b, between the first spacer 217b and the non-optical effective portion d2 of the fourth lens 214, between the non-optical effective portion d2 of the fourth lens 214 and the second spacer 217a, and between the second spacer 217a and the non-optical effective portion d2 of the fifth lens 215 (see Figure 1 shown).

[0096] Generally speaking, in order to ensure that the field of view formed on the image side of the lens can cover the entire target surface of the photosensitive element (i.e., the imaging area of the photosensitive element), therefore, see Figure 1As shown, the closer the lens is to the photosensitive element, the larger the effective diameter (i.e., the diameter of the optically effective area of the lens) is. For example, Figure 1 The effective diameters of the fourth lens and the fifth lens are increased, but this results in a larger outer diameter at the end of the lens barrel close to the photosensitive element, a larger volume of the lens barrel, a larger space occupied by the mobile phone, and a larger opening on the display screen.

[0097] In the embodiment of the present application, the size of the lens 21 is reduced by trimming the lens 21 without affecting the imaging. Figure 9 As shown, the outer wall of the lens barrel 219 close to the lens holder 22 (e.g., the bottom of the lens barrel 219) is trimmed, and the fourth lens 214, the second spacer 217a, the fifth lens 215, and the pressing ring 216a located at the trimming of the lens barrel 219 in the lens barrel 219 are trimmed. The trimming of the bottom of the lens barrel 2019 reduces the width of the bottom of the lens barrel 219, which reduces the width of the bottom of the lens 21 and reduces the volume of the lens 21. In this way, the space occupied by the lens 21 in the mobile phone 100 is reduced, so that more components can be arranged in the mobile phone 100. On the other hand, the width of the end of the lens 21 close to the lens mount 22 (i.e., the bottom width of the lens 21) is reduced. For a notch screen, a water drop screen, or a punch hole screen, the width L of the opening 11 on the display screen 10 is L1+L2+L3. When the bottom of the lens 21 is trimmed, L2 is reduced, so that the width L of the opening 11 on the display screen 10 is reduced, so that the special-shaped area (such as the Notch area) on the display screen 10 is reduced, and the screen-to-body ratio of the display screen 10 of the mobile phone 100 is increased. After testing, after the lens 21 is trimmed, as shown in FIG. Figure 10 As shown, the outermost line L of the optical effective diameter of the lens 21 is not affected by the trimming, so after the trimming, the volume and bottom width of the lens 21 are reduced without affecting the imaging.

[0098] In the embodiment of the present application, one edge can be cut on the outer wall of the lens barrel 219, or two edges can be cut on the bottom outer wall of the lens barrel 219. It should be noted that when two edges are cut on the bottom outer wall of the lens barrel 219, the two cut edges are symmetrically distributed on the lens barrel 219.

[0099] In one possible implementation, Figure 11 As shown, the lens barrel 219 may include: a front lens barrel 2191, a middle lens barrel 2192 and a rear lens barrel 2197, wherein the middle lens barrel 2192 is located between the front lens barrel 2191 and the rear lens barrel 2197. The front lens barrel 2191 may be in a straight barrel shape, and the middle lens barrel 2192 may be in a conical shape.

[0100] When the lens barrel 219 is trimmed, the rear lens barrel 2197 is trimmed. After trimming, the rear lens barrel 2197 may include at least one cut surface 2195 and an arc-shaped side surface 2196.Figure 11 As shown, the rear lens barrel 2197 may include two cut surfaces 2195 and two arc-shaped side surfaces 2196 connected to the two cut surfaces 2195. The two cut surfaces 2195 and the two arc-shaped side surfaces 2196 enclose the side wall of the rear lens barrel 2197. The two cut surfaces 2195 are symmetrically distributed with respect to the center line of the lens barrel 219. The arc-shaped side surface 2196 may include a first arc-shaped side surface 2193 and a second arc-shaped side surface 2194. The first arc-shaped side surface 2193 is located between the outer wall of the middle lens barrel 2192 and the second arc-shaped side surface 2194. The distance between the second arc-shaped side surface 2194 and the center line of the lens barrel 219 is greater than the distance between the first arc-shaped side surface 2193 and the center line of the lens barrel 219. A step may be formed between the first arc-shaped side surface 2193 and the second arc-shaped side surface 2194 (see Figure 13 as shown). In the embodiment of the present application, the front lens barrel 2191, the middle lens barrel 2192, and the rear lens barrel 2197 may be connected by welding, snap connection, or integrally formed.

[0101] In a possible implementation, as Figure 12 shown, the distance h1 between the two cut surfaces 2195 on the rear lens barrel 2197 is greater than or equal to 0.8h2 and less than h2, where h2 is the maximum distance between the two arc-shaped surfaces on the rear lens barrel 2197, that is, h2 is the diameter of the rear lens barrel 2197 when the bottom end is not trimmed. For example, the bottom diameter h2 of the rear lens barrel 2197 is 6.5 mm. After cutting two edges, the distance h1 between the two cut surfaces 2195 on the rear lens barrel 2197 is less than 6.5 mm and greater than or equal to 5.2 mm. In this way, the distance h1 between the two cut surfaces 2195 of the lens barrel 219 can be reduced to 5.2 mm. Therefore, when the rear lens barrel 2197 of the lens barrel 219 is trimmed, the width h3 cut off by each cut surface 2195 is not greater than 0.65 mm. When there are two cut surfaces 2195 on the rear lens barrel 2197, the width cut off by the rear lens barrel 2197 at this time is not greater than 1.3 mm. In this way, L2 = 1 / 2h1, L2 is greater than or equal to 2.6 mm. Compared with the untrimmed edge, L2 can be reduced by a maximum of 0.65 mm. Therefore, the width L of the opening 11 on the display screen 10 is reduced, the screen-to-body ratio is increased, the cross-sectional area and volume of the rear lens barrel 2197 are reduced, and the space occupied by the lens 21 is reduced.

[0102] In a possible implementation, as Figure 13 shown, a plurality of bearing portions 2190 are sequentially provided on the inner wall of the lens barrel 219 from top to bottom, and the plurality of bearing portions 2190 are stepped in the lens barrel 219. In the embodiment of the present application, after the rear lens barrel 2197 is trimmed, as Figure 14As shown, the bearing portion 2190 provided on the inner wall of the rear lens barrel 2197 may include: an arc bearing section c3 and a straight bearing section c1. The arc bearing section c3 and the straight bearing section c1 form an annular bearing portion 2190 in a shape similar to a runway. A circular annular bearing section c2 is formed on the inner walls of the front lens barrel 2191 and the rear lens barrel 2197.

[0103] In a possible implementation manner, the fifth lens 215 may include an optically effective portion d1 and a non-optically effective portion d2 (see Figure 9 ), when trimming, both the optically effective portion d1 and the non-optically effective portion d2 are trimmed. Specifically, the optically effective portion d1 of the fifth lens 215 may include an effective diameter region 2151 and a first trim edge 2154. The number of the first trim edges 2154 may be one or two. For example, as Figure 15 shown, the optically effective portion d1 of the fifth lens 215 includes an effective diameter region 2151 and two first trim edges 2154. The two first trim edges 2154 may be symmetrically arranged with respect to the optical center of the fifth lens 215 on both sides of the effective diameter region 2151.

[0104] Among them, the non-optically effective portion d2 of the fifth lens 215 may include a first non-effective region 2152 and a second non-effective region 2153. The first non-effective region 2152 is arranged along the outer edge of the effective diameter region 2151, and the second non-effective region 2153 is arranged along the bottom end of the first trim edge 2154. The first non-effective region 2152 and the second non-effective region 2153 form an annular non-optically effective portion d2. Among them, in order to reduce the width of the non-optically effective portion d2 of the fifth lens 215, the second non-effective region 2153 is trimmed. As Figure 15 shown, the second non-effective region 2153 has a second trim edge 2155. For example, a partial region of the outer edge of the second non-effective region 2153 is cut off, so that the width of the second non-effective region 2153 is reduced. In the embodiment of the present application, the second non-effective region 2153 is located at the first trim edge 2154, and the first non-effective region 2152 and the second non-effective region 2153 of the fifth lens 215 enclose a non-optically effective portion d2 in a shape similar to a runway.

[0105] Among them, in the embodiment of the present application, the first trim edge 2154 may be a longitudinal section as Figure 15 shown. In some other examples, the first trim edge 2154 may also be an inclined plane inclined towards the second non-effective region 2153.

[0106] In the embodiments of the present application, since the second non-effective region 2153 has a second cutting edge 2155, the width of the fifth lens 215 at the second non-effective region 2153 is reduced. By providing the second non-effective region 2153 at the first cutting edge 2154 of the fifth lens 215, it is ensured that there is a non-effective diameter region (such as the second non-effective region 2153) at the first cutting edge 2154 of the optically effective portion d1. In this way, when the fifth lens 215 is assembled in the lens barrel 219, the first non-effective region 2152 of the fifth lens 215 abuts against the arc-shaped abutting section c3 in the lens barrel 219, and the second non-effective region 2153 abuts against the straight-shaped abutting section c1 in the lens barrel 219. After the second spacer 217a and the retaining ring 216a located on both sides of the fifth lens 215 are assembled, partial regions of the second spacer 217a and the retaining ring 216a can abut against the abutting portion 2190 in the lens barrel 219, and the remaining partial regions of the second spacer 217a and the retaining ring 216a can overlap and abut against the second non-effective region 2153 and the first non-effective region 2152 of the fifth lens 215. This ensures the stability of the assembly of the retaining ring 216a, the second spacer 217a, and the fifth lens 215 in the lens barrel 219.

[0107] In addition, since the second non-effective region 2153 is provided at the first cutting edge 2154 of the fifth lens 215, after the fifth lens 215, the retaining ring 216a, and the second spacer 217a are assembled in the lens barrel 219, the two surfaces of the second non-effective region 2153 facing the image side and the object side can respectively abut against partial regions of the second spacer 217a and the retaining ring 216a. In this way, the abutting function of the retaining ring 216a, the second spacer 217a, and the fifth lens 215 at the first cutting edge 2154 is realized, so that the entire outer edge of the fifth lens 215 abuts against the retaining ring 216a and the second spacer 217a, ensuring more stable abutment when the fifth lens 215 is assembled in the lens barrel 219. In addition, the shielding of the effective diameter region 2151 of the fifth lens 215 by the retaining ring 216a and the second spacer 217a is avoided.

[0108] In some examples, such as Figure 16As shown, when the optical effective part d1 of the fifth lens 215 includes two first trimming edges 2154 and an effective diameter region 2151, the minimum distance H1 between the two first trimming edges 2154 is greater than or equal to the short side length H2 of the photosensitive element 25, ensuring that each photosensitive area on the photosensitive element 25 can sense light, thereby generating complete image information. In some examples, the short side length H2 of the photosensitive element 25 can be 3.917 mm, and the diameter of the optical effective part d1 of the fifth lens 215 can be 5.3 mm. In this way, the minimum distance H1 between the two first trimming edges 2154 is greater than or equal to 3.917 mm. For example, the minimum distance H1 between the two first trimming edges 2154 can be 4 mm. In this case, the width of the optical effective part d1 of the fifth lens 215 that is trimmed is 0.65 mm, and the width of the two trimming edges that are trimmed is 1.3 mm. Or the minimum distance H1 between the two first trimming edges 2154 can be 4.5 mm. In this case, the width of the optical effective part d2 of the fifth lens 215 that is trimmed is 0.4 mm, and the width of the two trimming edges that are trimmed is 0.8 mm.

[0109] In the embodiments of the present application, the width H3 of the second non-effective region 2153 can be 0.1 mm - 0.65 mm. For example, the width H3 of the second non-effective region 2153 can be 0.35 mm, or the width H3 of the second non-effective region 2153 can also be 0.25 mm. It should be noted that the width H3 of the second non-effective region 2153 can be, but is not limited to, the above values. When setting, the second non-effective region 2153 can be used for the second spacer 217a and the retaining ring 216a to rest on.

[0110] In a possible implementation, the fourth lens 214 can include an optical effective part d1 and a non-optical effective part d2 surrounding the outer edge of the optical effective part d1. When trimming, the non-optical effective part d2 of the fourth lens 214 is trimmed, as Figure 17 shown. The optical effective region 2141 of the fourth lens 214 is not trimmed. The non-optical effective part d2 of the fourth lens 214 can include a third non-effective region 2142 and a fourth non-effective region 2144. The fourth non-effective region 2144 can include at least one third trimming edge 2143. Exemplarily, Figure 17 as shown in [reference] shows two third trimming edges 2143. By setting the third trimming edge 2143, the width H4 of the fourth non-effective region 2144 of the fourth lens 214 is reduced. In this way, the width of the fourth non-effective region 2144 of the fourth lens 214 is reduced while meeting the imaging requirements. When the width of the fourth non-effective region 2144 of the fourth lens 214 is reduced, the wall thickness of the lens barrel 219 at the fourth lens 214 can be increased, so that the strength of the lens barrel 219 at this position is greater.

[0111] Among them, in the embodiments of the present application, the width H4 of the fourth non-effective region 2144 of the fourth lens 214 may be 0.2-0.35 mm. For example, the diameter of the optically effective part d1 of the fourth lens 214 may be 3.9 mm, and the diameter of the non-optically effective part d2 of the fourth lens 214 may be 4.7 mm. Therefore, the width of the third non-effective region 2142 may be 0.4 mm, and the width H4 of the fourth non-effective region 2144 may be 0.25 mm, or may be 0.3 mm.

[0112] In a possible implementation, after the fourth lens 214 and the fifth lens 215 are trimmed, in order for the second spacer 217a to abut against the non-optically effective part d2 of the fourth lens 214 and the fifth lens 215, therefore, the second spacer 217a may include an arc segment 2171 and at least one straight segment 2172, and the arc segment 2171 and the straight segment 2172 enclose an annular spacer. In the embodiments of the present application, when the fourth lens 214 and the fifth lens 215 have two trimmed edges, as Figure 18 shown, the second spacer 217a may include: two arc segments 2171 and two straight segments 2172, and the arc segment 2171 and the straight segment 2172 of the second spacer 217a enclose an annular structure similar to a runway shape. When the second spacer 217a is assembled in the lens barrel 219, the arc segment 2171 of the second spacer 217a abuts against the arc-shaped abutting segment in the lens barrel 219, and the straight segment 2172 of the second spacer 217a abuts against the straight-shaped abutting segment in the lens barrel 219.

[0113] Exemplarily, as Figure 18 shown, in the surface of the second spacer 217a facing the fourth lens 214, the arc segment 2171 may include an arc outer region a2 and an arc inner region a1, and the straight segment 2172 includes a straight outer region b2 and a straight inner region b1. During assembly, reference can be made to Figure 10 shown, the arc outer region a2 and the straight outer region b2 may abut against the abutting portion 2190 in the lens barrel 219, and the arc inner region a1 and the straight inner region b1 may abut against the third non-effective region 2142 and the fourth non-effective region 2144 of the fourth lens 214. The surface of the second spacer 217a facing the fifth lens 215 abuts against the first non-effective region 2152 and the second non-effective region 2153 of the fifth lens 215.

[0114] In the embodiments of the present application, the inner side wall of the second spacer 217a is inclined ([[]]END]] Figure 18 the side wall connected to the arc inner region a1 and the straight inner region b1 in [[[]]END]]

[0115] In a possible implementation, the pressing ring 216a is trimmed. After trimming, the structure of the pressing ring 216a can refer to Figure 18 the structure of the second spacer 217a shown in, for example, the pressing ring 216a may also include an arc region (refer to Figure 18 the arc segment 2171 in) and a straight region (refer to Figure 18 the straight segment 2172 in). The number of straight regions can be one or two. When there are two straight regions of the pressing ring 216a, the straight regions and the arc region of the pressing ring 216a enclose an arc-shaped pressing ring similar to a runway shape. During assembly, the arc region of the pressing ring 216a abuts against the arc-shaped abutting segment c3 in the lens barrel 219, and the straight region of the pressing ring 216a abuts against the straight abutting segment c1 in the lens barrel 219. A partial region of the side of the pressing ring 216a facing the fifth lens 215 abuts against the abutting portion 2190 of the lens barrel 219, and the remaining part can abut against the first non-effective region 2152 and the second non-effective region 2153 of the fifth lens 215. In the embodiment of the present application, the pressing ring 216a and the inner wall of the bottom end of the rear lens barrel 2197 can be fixed by an adhesive method, so that each lens, light-shielding sheet, and spacer are assembled in the lens barrel 219 through the pressing ring 216a.

[0116] In some other examples, the lens 21 can also be used as the lens of a rear camera module. For example, the electronic device may further include: a rear camera module, the rear camera module may include the above-mentioned lens 21, bracket 24, photosensitive element 25, and flexible board 26. The rear camera module can be disposed on the side of the metal middle plate 32 facing the rear cover 60. The lens 21 of the rear camera module faces the rear cover 60. An opening is formed on the rear cover 60, and the head of the lens 21 is mounted in the opening formed on the rear cover 60. In the embodiment of the present application, since the bottom of the lens 21 is trimmed, the width of the bottom of the lens 21 is reduced, so that the width of the opening formed on the rear cover 60 in the X direction or the Y direction is reduced, the opening area of the rear cover 60 is reduced, the appearance of the rear cover 60 is more beautiful, and the strength of the rear cover 60 is better. In addition, the reduction in the width of the bottom of the lens 21 makes the volume of the lens 21 smaller, so that the space occupied by the rear camera module in the electronic device is reduced, and the saved space in the electronic device can be used to arrange other components.

[0117] Scenario Two

[0118] In the embodiment of the present application, as Figure 19As shown, the lens group may include six lenses, namely: a first lens 211, a second lens 212, a third lens 213, a fourth lens 214, a fifth lens 215, and a sixth lens 216. Among them, the front lens group may include three lenses, namely the first lens 211, the second lens 212, and the third lens 213. The rear lens group may include: the fourth lens 214, the fifth lens 215, and the sixth lens 216. Among them, the fifth lens 215 is located between the fourth lens 214 and the sixth lens 216, and the sixth lens 216 is close to the image side. The structures of the fifth lens 215 and the sixth lens 216 may refer to the structure of the fifth lens 215 in the above-mentioned scenario one. For example, as Figure 19 shown, the sixth lens 216 may include: an optically effective portion d1 and a non-optically effective portion d2. A third spacer 217c may be provided between the non-optically effective portions d2 of the fifth lens 215 and the sixth lens 216, and a retaining ring 216a presses on the non-optically effective portion d2 of the sixth lens 216 facing the image side. That is, in the embodiment of the present application, a third spacer 217c and the sixth lens 216 are added between the fifth lens 215 and the retaining ring 216a.

[0119] Among them, in the embodiment of the present application, when trimming the edges, the fourth lens 214, the second spacer 217a, the fifth lens 215, the third spacer 217c, the sixth lens 216, and the retaining ring 216a are trimmed. Among them, the structures of the fourth lens 214, the second spacer 217a, the fifth lens 215, and the retaining ring 216a may refer to the description in the above-mentioned scenario one. The trimming method of the optically effective portion d1 and the non-optically effective portion d2 of the sixth lens 216 may refer to Figure 15 the trimming structure of the fifth lens 215 in. For example, the optically effective portion d1 of the sixth lens 216 may have at least one trimmed edge, and the non-optically effective portion d2 of the sixth lens 216 may include a fifth non-effective region provided along the trimmed edge and a sixth non-effective region provided along the edge of the optically effective region (see Figure 15 the first non-effective region 2152 and the second non-effective region 2153 in), and the outer edge of the fifth non-effective region has a trimmed edge (which may refer to Figure 15 the second trimmed edge 2155 in).

[0120] In the embodiment of the present application, trimming treatment is performed through the sixth lens 216 and the third spacer 217c. In this way, on the premise of adding the sixth lens 216, the volume and cross-sectional area of the rear barrel 2197 of the lens 21 are reduced, the occupied space of the lens 21 in the electronic device is reduced, and the saved space can enable more components to be arranged in the electronic device. In addition, the size of the opening 11 on the display screen 10 is reduced, so that the area of the special-shaped area (such as the Notch area) on the display screen 10 is reduced, and the screen-to-body ratio is higher.

[0121] In the description of the embodiments of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, or an indirect connection through an intermediate medium, or the internal connection of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0122] In the description of the embodiments of the present application, the terms "first", "second", "third", "fourth", etc. (if any) in the specification, claims, and the above drawings are used to distinguish similar objects and do not necessarily describe a specific order or sequence.

[0123] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, and not to limit them; although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A lens, applied to a camera module having a photosensitive element, characterized in that Comprising: A lens barrel, a front lens group and a rear lens group disposed within the lens barrel, the front lens group being close to the object side, and the rear lens group being close to the image side; The lens in the rear lens group close to the image side includes: an optically effective portion and a non-optically effective portion surrounding the outer edge of the optically effective portion; The optically effective portion includes: an effective diameter region and at least one first cutting edge; The non-optically effective portion includes: a first non-effective region and a second non-effective region, the first non-effective region is disposed along the outer edge of the effective diameter region, the second non-effective region is disposed along the bottom end of the first cutting edge, and the region of the outer edge of the second non-effective region is cut off to have a second cutting edge; the first cutting edge is a longitudinal section or an inclined surface inclined towards the second non-effective region; The outer side wall of the lens barrel close to the rear lens group has at least one cutting surface, and the second cutting edge faces the cutting surface within the lens barrel.

2. The lens according to claim 1, wherein The number of the first cutting edges is two, and the two first cutting edges are symmetrically arranged with respect to the center of the optically effective portion.

3. The lens according to claim 2, characterized in that, The distance between the two first cutting edges is greater than or equal to the short side width of the photosensitive element.

4. The lens according to any one of claims 1-3, characterized in that The width of the second non-effective region is 0.1 - 0.65 mm.

5. The lens according to any one of claims 1-4, characterized in that, The lens barrel includes a front lens barrel, an intermediate lens barrel and a rear lens barrel, and the outer side wall of the rear lens barrel includes the cutting surface and an arc-shaped side surface connected to the cutting surface.

6. The lens according to claim 5, characterized in that There are a plurality of straight bearing sections on the inner wall of the rear lens barrel close to the cutting surface, and a plurality of arc-shaped bearing sections on the inner wall of the rear lens barrel close to the arc-shaped side surface.

7. The lens according to claim 5 or 6, characterized in that, There are two cutting surfaces and two arc-shaped side surfaces on the outer side wall of the rear lens barrel, and the two cutting surfaces are symmetrically arranged with respect to the center line of the lens barrel.

8. The lens according to claim 7, wherein The distance between the two cutting surfaces is h1, 0.8h2 ≤ h1 < h2, and h2 is the maximum distance between the two arc-shaped side surfaces.

9. The lens according to any one of claims 1 - 8, characterized in that, The rear lens group includes at least two lenses, The lens in the at least two lenses close to the front lens group includes: an optically effective portion and a non-optically effective portion, and the outer edge of the non-optically effective portion of the lens close to the front lens group has a third cutting edge, and the third cutting edge faces the cutting surface.

10. The lens according to claim 9, characterized in that, The rear lens group includes three lenses, and the intermediate lens between the two lenses and the lens close to the image side among the three lenses both include the effective diameter region, at least one of the first cutting edges, the first non-effective region, the second non-effective region and the second cutting edge.

11. The lens according to any one of claims 1-10, characterized in that, Further comprising: At least two spacers located within the lens barrel, one of the at least two spacers is located between the front lens group and the rear lens group, and the remaining spacers among the at least two spacers are located between the non-optically effective portions of two adjacent lenses in the rear lens group.

12. The lens according to claim 11, wherein, The spacer located between two adjacent lenses in the rear lens group includes: an arc-shaped section and a straight section, the arc-shaped section and the straight section enclose an annular structure, and the straight section faces the cutting surface.

13. The lens according to any one of claims 1-12, characterized in that, Further comprising: A retaining ring, the retaining ring is connected to the inner wall of one end of the lens barrel facing the image side, and the rear lens group is located between the front lens group and the retaining ring; The retaining ring includes an arc region and a flat region, and the flat region faces the cutting plane.

14. The lens according to any one of claims 1-13, characterized in that, The front lens group includes at least three lenses, and a light shield is disposed between the non-optical effective portions of two adjacent lenses among the three lenses.

15. A camera module, characterized in that, At least including: A flexible board, a photosensitive element, a bracket, a filter, and the lens according to any one of claims 1-14 above. The bracket is located between the lens and one end of the flexible board, the photosensitive element is located at the end of the flexible board opposite to the lens, and the filter is located between the photosensitive element and the lens.

16. An electronic device, characterized in that, At least including: A display screen, a rear cover, a middle frame, and at least one camera module according to claim 15 above. The display screen and the rear cover are respectively located on both sides of the middle frame. The camera module is disposed on the middle frame, and the lens of the camera module faces the display screen or the rear cover.

17. The electronic device according to claim 16, wherein The camera module is a front camera module, or the camera module is a rear camera module.

18. The electronic device according to claim 16, characterized in that, The number of the camera modules is two, one of the camera modules is a rear camera module, and the other camera module is a front camera module.

Images